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https://issues.apache.org/jira/browse/HDFS-12467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170717#comment-16170717
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Chen Liang commented on HDFS-12467:
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Thanks [~nandakumar131] for the follow-up! I was trying to see if there is a
way to only make use of {{inManualChillMode}} but didn't come up with a clean
way.
So if it turns out to be necessary to have two chillMode status, then I think
it's probably better to:
1. rename the new {{chillMode}} flag to something like {{inStartupChillMode}}
and have some brief comments describing the purpose and the differences.
2. in getChillModeStatus() seems startup chill mode is checked after manual
chill mode check passed, so I think let's expand the manual chill mode message
to include this info, i.e. line 315 add something like return "Out of startup
chill mode, but in manual chill mode." + ...
3. I think we should track manual chillmode enter/exit as well, i.e. add log
entries to {{forceExitChillMode}} and {{forceEnterChillMode}}. Maybe also
changing line 178 and line 724 to "Enter/Leaving startup chill mode" (rather
than just "chill mode").
4. how about using {{AtomicBoolean}} or synchronize on the methods?
> Ozone: SCM: NodeManager should log when it comes out of chill mode
> ------------------------------------------------------------------
>
> Key: HDFS-12467
> URL: https://issues.apache.org/jira/browse/HDFS-12467
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Reporter: Nandakumar
> Assignee: Nandakumar
> Priority: Minor
> Attachments: HDFS-12467-HDFS-7240.000.patch,
> HDFS-12467-HDFS-7240.001.patch
>
>
> {{NodeManager}} should add a log message when it comes out of chill mode.
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